Explanipedia

Influence of In‐Doping on the Structure and Electrochemical Performance of Compositionally Complex Garnet‐Type Solid Electrolytes Open

Alaa Alsawaf, Guruprakash Karkera, Thomas Diemant, Monaha Veerraju Kante, Yannik Schneider , et al. · 2025

The electrochemical instability of electrode active materials as well as the flammability of the organic liquid electrolytes in Li‐ion batteries pose challenges for their safety and long cycle life. Solid electrolytes (SEs) that exhibit hi…

Simultaneous improvement of mechanical strength and electrical conductivity in Al-2.5 wt% Fe alloy rods with high thermal stability by high-pressure torsion extrusion Open

Rui Xu, Yemao Lu, Yuting Dai, Rafaela Debastiani, Horst Hahn , et al. · 2025

High quality superconducting tantalum resonators with beta phase defects Open

Ritika Dhundhwal, Haoran Duan, Lucas Brauch, Soroush Arabi, D. Fuchs , et al. · 2025

For practical superconducting quantum processors, orders of magnitude improvement in coherence is required, motivating efforts to optimize hardware design and explore new materials. Among the latter, the coherence of superconducting transm…

Nanocolumnar Zrcu Thin Film Metallic Glass with Tailored Mechanical and Electrical Properties Open

Evgeniy Boltynjuk, Francesco Bignoli, Sree Harsha Nandam, D. Faurie, Alexander Welle , et al. · 2025

Printed High‐Entropy Prussian Blue Analogs for Advanced Non‐Volatile Memristive Devices Open

Yueyue He, Yin‐Ying Ting, Hongrong Hu, Thomas Diemant, Yuting Dai , et al. · 2024

Non‐volatile memristors dynamically switch between high (HRS) and low resistance states (LRS) in response to electrical stimuli, essential for electronic memories, neuromorphic computing, and artificial intelligence. High‐entropy Prussian …

Photonic Synthesis and Coating of High‐Entropy Oxide on Layered Ni‐Rich Cathode Particles Open

Yanyan Cui, Yushu Tang, Jing Lin, Junbo Wang, Horst Hahn , et al. · 2024

Air cleaner prototype: Reduction of airborne viruses and effects of UV-C irradiation on virus concentration and RNA copy numbers considering modeled residence times and doses Open

Jochen Schulz, Vivian Natascha Lochte, Sebastian Blessing, Alexander Stroh, Jochen Kriegseis , et al. · 2024

Layered high-entropy sulfides: boosting electrocatalytic performance for hydrogen evolution reaction by cocktail effects Open

Ling Lin, Ziming Ding, Guruprakash Karkera, Thomas Diemant, Dong‐Hui Chen , et al. · 2024

This study explores high-entropy sulfides (HESs) as potential electrocatalysts for the hydrogen evolution reaction (HER). Novel Pa -3 and Pnma structured HESs containing Fe, Mn, Ni, Co and Mo, were synthesized via a facile mechanochemical …

Photonic Synthesis and Coating of High‐Entropy Oxide on Layered Ni‐Rich Cathode Particles Open

Yanyan Cui, Yushu Tang, Jing Lin, Junbo Wang, Horst Hahn , et al. · 2024

High‐entropy materials have drawn much attention as battery materials due to their distinctive properties. Lithiated high‐entropy oxide (Li 0.33 (MgCoNiCuZn) 0.67 O, LiHEO) exhibits both high lithium‐ion and electronic conductivity, making…

Using the High-Entropy Approach to Obtain Multimetal Oxide Nanozymes: Library Synthesis, In Silico Structure–Activity, and Immunoassay Performance Open

Thüong Phan‐Xuan, Simon Schweidler, Steffen Hirte, Moritz Schüller, Ling Lin , et al. · 2024

High-entropy nanomaterials exhibit exceptional mechanical, physical, and chemical properties, finding applications in many industries. Peroxidases are metalloenzymes that accelerate the decomposition of hydrogen peroxide. This study uses t…

K‐Doping Suppresses Oxygen Redox in P2‐Na0.67Ni0.11Cu0.22Mn0.67O2 Cathode Materials for Sodium‐Ion Batteries Open

Bei Zhou, Deniz Wong, Zhongheng Fu, Hao Guo, Christian Schulz , et al. · 2024

In P2‐type layered oxide cathodes, Na site‐regulation strategies are proposed to modulate the Na + distribution and structural stability. However, their impact on the oxygen redox reactions remains poorly understood. Herein, the incorporat…

Overcoming plasticity reduction in a severely deformed nano-grained metastable alloy Open

Yemao Lu, Gaoming Zhu, Horst Hahn, Yulia Ivanisenko · 2024

Most bulk metallic materials reveal an increased strength but a loss of ductility after cold deformation, a phenomenon known as the strength–ductility trade-off. In this study, we propose a strategy to overcome this problem by introducing …

Processing of high-strength thermal-resistant Al-2.2% cerium-1.3% lanthanum alloy rods with high electric conductivity by High Pressure Torsion Extrusion Open

Rui Xu, Yemao Lu, Yuting Dai, Andrea Brognara, Horst Hahn , et al. · 2024

A novel severe plastic deformation (SPD) process of High Pressure Torsion Extrusion (HPTE) was applied to the rods of the Al-2.2 wt.% Ce-1.3 wt.% La (Al–3.5RE) alloy. The microstructure, microhardness, the mechanical strength, thermal stab…

Influence of Zr-doping on the structure and transport properties of rare earth high-entropy oxides Open

Mohana V. Kante, Ajai Raj Lakshmi Nilayam, Kosova Kreka, Horst Hahn, Subramshu S. Bhattacharya , et al. · 2024

Fluorite-type ceria-based ceramics are well established as oxygen ion conductors due to their high conductivity, superseding state-of-the-art electrolytes such as yttria-stabilized zirconia. However, at a specific temperature and oxygen pa…

Elucidation of the Transport Properties of Calcium‐Doped High Entropy Rare Earth Aluminates for Solid Oxide Fuel Cell Applications Open

Mohana V. Kante, Ajai Raj Lakshmi Nilayam, Horst Hahn, Subramshu S. Bhattacharya, Matthias T. Elm , et al. · 2024

Solid oxide fuel cells (SOFCs) are paving the way to clean energy conversion, relying on efficient oxygen‐ion conductors with high ionic conductivity coupled with a negligible electronic contribution. Doped rare earth aluminates are promis…

Demystifying the Semiconductor‐to‐Metal Transition in Amorphous Vanadium Pentoxide: The Role of Substrate/Thin Film Interfaces Open

A. Carmel Mary Esther, G. Mohan Muralikrishna, Manohar Chirumamilla, Manoel da Silva Pinto, Stefan Ostendorp , et al. · 2024

The precise mechanism governing the reversible semiconductor‐to‐metal transition (SMT) in V 2 O 5 remains elusive, yet its investigation is of paramount importance due to the remarkable potential of V 2 O 5 as a versatile “smart” material …

Improved Performance of High‐Entropy Disordered Rocksalt Oxyfluoride Cathode by Atomic Layer Deposition Coating for Li‐Ion Batteries Open

B. Zhou, Siyu An, David Kitsche, Sören L. Dreyer, Kai Wang , et al. · 2024

Lithium‐excess cation‐disordered rocksalt materials are a promising class of transition metal‐based cathodes that exhibit high specific capacity and energy density. The exceptional performance is achieved through participation of anionic r…

Cover Picture: Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries (Angew. Chem. Int. Ed. 7/2024) Open

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, Yang Hu , et al. · 2024

Angewandte Chemie International Edition is one of the prime chemistry journals in the world, publishing research articles, highlights, communications and reviews across all areas of chemistry.

Titelbild: Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries (Angew. Chem. 7/2024) Open

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, Yang Hu , et al. · 2024

Graphical Abstract The high-entropy approach is applied to a monoclinic Prussian white material, introducing an innovative concept for developing robust cathodes for use in Na-ion batteries. In their Research Article (e202315371), Torsten …

Developing of superconducting RF guns at BNL Open

S. Belomestnykh, Z. Altinbas, I. Ben‐Zvi, C. Boulware, J. C. Brutus , et al. · 2024

BNL is developing several superconducting RF guns for different applications. The first gun is based on a half-cell 1.3 GHz elliptical cavity. This gun is used to study generation of polarized electrons from GaAs photocathodes. The second …

Fine structure tuning for strongly correlated functionalities in high entropy oxides Open

Di Wang, Abhishek Sarkar, Gleb A. Iankevich, Zhibo Zhao, Horst Hahn , et al. · 2024

In-situ/ Opernado (S)TEM on Mass Selected Pt Clusters Deposited on CeO2 for CO Oxidation Catalysis Open

Ajai Raj Lakshmi Nilayam, Ramin Shadkam, Carina B. Maliakkal, Mohana V. Kante, Horst Hahn , et al. · 2024

Enhanced diffusion in thin-film Cu-Zr nanoglasses Open

Aaron Rigoni, Evgeniy Boltynjuk, Hendrik Voigt, Harald Rösner, Bonnie J. Tyler , et al. · 2023

Tracer measurements with both radioactive, 55Fe, as well as natural, mainly 56Fe, isotopes are used to investigate Fe diffusion in a Cu-Zr nanoglass in comparison to their diffusion rates in a homogeneous amorphous counterpart. The columna…

Voltage-driven 90 switching of bulk perpendicular magnetic anisotropy in ferrimagnets Open

Zhengyu Xiao, Ruiwen Xie, Fernando Maccari, Philipp Klaassen, Benedikt Eggert , et al. · 2023

Unravelling the mechanism behind bulk perpendicular magnetic anisotropy (PMA) in amorphous rare earth-transition metal films has proven challenging. This is largely due to the inherent complexity of amorphous structure and the entangled po…

Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries Open

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, Yang Hu , et al. · 2023

The high‐entropy approach is applied to monoclinic Prussian White (PW) Na‐ion cathodes to address the issue of unfavorable multilevel phase transitions upon electrochemical cycling, leading to poor stability and capacity decay. A series of…

Entropy‐Mediated Stable Structural Evolution of Prussian White Cathodes for Long‐Life Na‐Ion Batteries Open

Yueyue He, Sören L. Dreyer, Yin‐Ying Ting, Yuan Ma, Yang Hu , et al. · 2023

The high‐entropy approach is applied to monoclinic Prussian White (PW) Na‐ion cathodes to address the issue of unfavorable multilevel phase transitions upon electrochemical cycling, leading to poor stability and capacity decay. A series of…

Nanoscale Confinement of Dip‐Pen Nanolithography Written Phospholipid Structures on CuZr Nanoglasses Open

Srivatsan K. Vasantham, Evgeniy Boltynjuk, Sree Harsha Nandam, Eider Berganza, Harald Fuchs , et al. · 2023

Nanoglasses have attracted considerable interest among material scientists due to their novel and surprising properties. However, there is still a significant gap in understanding how nanoglasses interact with biomaterials and their effect…

In situ TEM studies of relaxation dynamics and crystal nucleation in thin film nanoglasses Open

Hendrik Voigt, Aaron Rigoni, Evgeniy Boltynjuk, Harald Rösner, Horst Hahn , et al. · 2023

Crystallization processes of glass-glass interfaces in sputtered CuZr thin film nanoglasses were directly studied using in situ heating experiments in a transmission electron microscope (TEM). By combining the in situ technique with a soph…

High‐Entropy Sulfides as Highly Effective Catalysts for the Oxygen Evolution Reaction Open

Ling Lin, Ziming Ding, Guruprakash Karkera, Thomas Diemant, Mohana V. Kante , et al. · 2023

Oxygen Evolution Reaction As a newly developed class of materials, high entropy sulphides (HES) are promising electrocatalysts for a variety of different reactions. In article 2300012, Ben Breitung, Simon Schweidler, and co-workers investi…

Synthesis of Free‐Standing Pd‐Ni‐P Metallic Glass Nanoparticles with Durable Medium‐Range Ordered Structure for Enhanced Electrocatalytic Properties (Small 33/2023) Open

Shu Fu, Guo‐Xing Chen, Hu Guo, Sinan Liu, Mengyang Yan , et al. · 2023

Metallic Glass Nanoparticles During the synthesis of free-standing metallic glass nanoparticles with laser-evaporated inert-gas condensation, metallic atoms, and distorted short-range-order (SRO) clusters are evaporated to collide and coal…

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